* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;  
}

.menu {
    display: flex;
    justify-content: center; /* 屏幕水平居中 */
    align-items: center; /* 屏幕垂直居中 */
    height: 100vh; /* 让 .menu 占满整个屏幕高度 */
}


/* 调整 Tab 栏 */
.tabs {
    width: 200px; /* 限制 Tab 栏宽度 */
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tabs ul {
    list-style: none;
    padding: 0;
}

.tabs li {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    background-color: #838B83;
    padding: 12px;
    border-radius: 4px;
    border: 1px solid white;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
}


.tabs a {
    text-decoration: none;
    color: white;
    display: block;
    font-size: 16px;
}


.tabs a:hover {
    color: #007bff;  /* 鼠标悬停时变蓝色 */
}


/* 选件盒子 */
.container {
    background-color:#DCDCDC;
    flex: 1;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
}

/* 个人信息 */
.profile {
    text-align: center;
    display: block;
}
.avatar {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
}
.btn {
    display: inline-block;
    margin: 10px;
    padding: 8px 16px;
    background-color: #007bff;
    color: white;
    border-radius: 4px;
    text-decoration: none;
}

